JPS61140171U - - Google Patents
Info
- Publication number
- JPS61140171U JPS61140171U JP1985024378U JP2437885U JPS61140171U JP S61140171 U JPS61140171 U JP S61140171U JP 1985024378 U JP1985024378 U JP 1985024378U JP 2437885 U JP2437885 U JP 2437885U JP S61140171 U JPS61140171 U JP S61140171U
- Authority
- JP
- Japan
- Prior art keywords
- vane
- feed pump
- seal
- fuel injection
- chamber
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Granted
Links
- 239000000446 fuel Substances 0.000 claims description 5
- 238000002347 injection Methods 0.000 claims description 4
- 239000007924 injection Substances 0.000 claims description 4
- 230000001050 lubricating effect Effects 0.000 claims 2
- 239000003921 oil Substances 0.000 claims 2
- 239000010687 lubricating oil Substances 0.000 claims 1
- 230000037431 insertion Effects 0.000 description 1
- 238000003780 insertion Methods 0.000 description 1
Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
- F02M—SUPPLYING COMBUSTION ENGINES IN GENERAL WITH COMBUSTIBLE MIXTURES OR CONSTITUENTS THEREOF
- F02M59/00—Pumps specially adapted for fuel-injection and not provided for in groups F02M39/00 -F02M57/00, e.g. rotary cylinder-block type of pumps
- F02M59/44—Details, components parts, or accessories not provided for in, or of interest apart from, the apparatus of groups F02M59/02 - F02M59/42; Pumps having transducers, e.g. to measure displacement of pump rack or piston
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04C—ROTARY-PISTON, OR OSCILLATING-PISTON, POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; ROTARY-PISTON, OR OSCILLATING-PISTON, POSITIVE-DISPLACEMENT PUMPS
- F04C15/00—Component parts, details or accessories of machines, pumps or pumping installations, not provided for in groups F04C2/00 - F04C14/00
- F04C15/0003—Sealing arrangements in rotary-piston machines or pumps
- F04C15/0034—Sealing arrangements in rotary-piston machines or pumps for other than the working fluid, i.e. the sealing arrangements are not between working chambers of the machine
- F04C15/0038—Shaft sealings specially adapted for rotary-piston machines or pumps
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
- F02M—SUPPLYING COMBUSTION ENGINES IN GENERAL WITH COMBUSTIBLE MIXTURES OR CONSTITUENTS THEREOF
- F02M39/00—Arrangements of fuel-injection apparatus with respect to engines; Pump drives adapted to such arrangements
- F02M39/005—Arrangements of fuel feed-pumps with respect to fuel injection apparatus
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
- F02M—SUPPLYING COMBUSTION ENGINES IN GENERAL WITH COMBUSTIBLE MIXTURES OR CONSTITUENTS THEREOF
- F02M41/00—Fuel-injection apparatus with two or more injectors fed from a common pressure-source sequentially by means of a distributor
- F02M41/08—Fuel-injection apparatus with two or more injectors fed from a common pressure-source sequentially by means of a distributor the distributor and pumping elements being combined
- F02M41/10—Fuel-injection apparatus with two or more injectors fed from a common pressure-source sequentially by means of a distributor the distributor and pumping elements being combined pump pistons acting as the distributor
- F02M41/12—Fuel-injection apparatus with two or more injectors fed from a common pressure-source sequentially by means of a distributor the distributor and pumping elements being combined pump pistons acting as the distributor the pistons rotating to act as the distributor
- F02M41/123—Fuel-injection apparatus with two or more injectors fed from a common pressure-source sequentially by means of a distributor the distributor and pumping elements being combined pump pistons acting as the distributor the pistons rotating to act as the distributor characterised by means for varying fuel delivery or injection timing
- F02M41/125—Variably-timed valves controlling fuel passages
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
- F02M—SUPPLYING COMBUSTION ENGINES IN GENERAL WITH COMBUSTIBLE MIXTURES OR CONSTITUENTS THEREOF
- F02M63/00—Other fuel-injection apparatus having pertinent characteristics not provided for in groups F02M39/00 - F02M57/00 or F02M67/00; Details, component parts, or accessories of fuel-injection apparatus, not provided for in, or of interest apart from, the apparatus of groups F02M39/00 - F02M61/00 or F02M67/00; Combination of fuel pump with other devices, e.g. lubricating oil pump
- F02M63/0001—Fuel-injection apparatus with specially arranged lubricating system, e.g. by fuel oil
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Fuel-Injection Apparatus (AREA)
Description
第1図はこの考案の分配型燃料噴射ポンプを示
す横断面図、第2図は第1図のA―A線断面図、
第3図は同上の実施例に用いたフイードポンプの
側面図、第4図は同上のフイードポンプのベーン
を示す斜視図である。
2…駆動軸挿入孔、3…駆動軸、5…カム室、
34…フイードポンプ、35…ロータ、39…ベ
ーン、40…案内リング、41…作動室、49a
,49b…シール室、50a,50b…オイルシ
ール、59…等圧溝、60…背圧室。
FIG. 1 is a cross-sectional view showing the distribution type fuel injection pump of this invention, FIG. 2 is a cross-sectional view taken along the line AA in FIG. 1,
FIG. 3 is a side view of the feed pump used in the above embodiment, and FIG. 4 is a perspective view showing the vane of the feed pump. 2... Drive shaft insertion hole, 3... Drive shaft, 5... Cam chamber,
34...Feed pump, 35...Rotor, 39...Vane, 40...Guide ring, 41...Working chamber, 49a
, 49b... Seal chamber, 50a, 50b... Oil seal, 59... Equal pressure groove, 60... Back pressure chamber.
Claims (1)
ードポンプを設けた分配型燃料噴射ポンプにおい
て、前記潤滑空間とフイードポンプとの間を駆動
軸の周囲に設けられたオイルシールをもつてシー
ルし、このオイルシールが配置されたシール室と
前記フイードポンプの低圧側とを圧力逃がし通路
を介して連通したことを特徴とする分配型燃料噴
射ポンプ。 2 フイードポンプは、駆動軸に固装されたロー
タと、このロータに嵌挿されたベーンと、このベ
ーンの先端を案内する案内リングとを具備し、ロ
ータ、ベーン及び案内リングに囲まれた作動室の
容積変化にて燃料を加圧するようになつており、
前記ベーンの背部に形成された背圧室と該ベーン
より先行する作動室とを連通する等圧溝を前記ベ
ーンに形成したことを特徴とする実用新案登録請
求の範囲第1項記載の分配型燃料噴射ポンプ。[Claims for Utility Model Registration] 1. In a distribution type fuel injection pump in which a feed pump is provided adjacent to a lubricating space where lubricating oil is supplied, an oil feed pump provided around a drive shaft between the lubricating space and the feed pump 1. A distribution type fuel injection pump, characterized in that the seal chamber is sealed with a seal, and the seal chamber in which the oil seal is disposed communicates with the low pressure side of the feed pump via a pressure relief passage. 2. A feed pump includes a rotor fixed to a drive shaft, a vane fitted into the rotor, and a guide ring that guides the tip of the vane, and has an operating chamber surrounded by the rotor, vanes, and guide ring. The fuel is pressurized by the change in volume,
The distribution type according to claim 1, characterized in that the vane is provided with an equal pressure groove that communicates a back pressure chamber formed at the back of the vane with an operating chamber preceding the vane. fuel injection pump.
Priority Applications (4)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP1985024378U JPH034780Y2 (en) | 1985-02-22 | 1985-02-22 | |
GB08602943A GB2172339B (en) | 1985-02-22 | 1986-02-06 | Distributor-type fuel injection pump |
KR2019860001783U KR900009524Y1 (en) | 1985-02-22 | 1986-02-17 | Distributor-type fuel injektion pump |
DE19863605452 DE3605452A1 (en) | 1985-02-22 | 1986-02-20 | DISTRIBUTOR INJECTION PUMP |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP1985024378U JPH034780Y2 (en) | 1985-02-22 | 1985-02-22 |
Publications (2)
Publication Number | Publication Date |
---|---|
JPS61140171U true JPS61140171U (en) | 1986-08-30 |
JPH034780Y2 JPH034780Y2 (en) | 1991-02-07 |
Family
ID=12136524
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP1985024378U Expired JPH034780Y2 (en) | 1985-02-22 | 1985-02-22 |
Country Status (4)
Country | Link |
---|---|
JP (1) | JPH034780Y2 (en) |
KR (1) | KR900009524Y1 (en) |
DE (1) | DE3605452A1 (en) |
GB (1) | GB2172339B (en) |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH04504748A (en) * | 1989-12-29 | 1992-08-20 | ローベルト ボッシュ ゲゼルシャフト ミット ベシュレンクテル ハフツング | Fuel injection pump for internal combustion engines |
JP2010180790A (en) * | 2009-02-06 | 2010-08-19 | Denso Corp | Fuel supply device |
Families Citing this family (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
FR2721352B1 (en) * | 1994-06-17 | 1996-09-06 | Leduc Rene Hydro Sa | High pressure pump to supply fuel injectors for internal combustion engines. |
US7137789B2 (en) | 1997-07-18 | 2006-11-21 | Rpm Industries, Inc. | Vent for reducing seal pressure in pump assembly |
US6544008B1 (en) * | 1997-07-18 | 2003-04-08 | John K. Apostolides | Internal vent for reducing seal pressure in prelubrication pump assembly |
CN104696128A (en) * | 2015-01-15 | 2015-06-10 | 东风朝阳朝柴动力有限公司 | Fuel injection pump with ventilation function |
DE102015111025B4 (en) | 2015-07-08 | 2024-07-25 | Volkswagen Ag | Self-lubricated high pressure pump |
DE102018120777A1 (en) * | 2018-08-24 | 2020-02-27 | Volkswagen Aktiengesellschaft | High-pressure pump comprising pressure lubrication |
CN110360041A (en) * | 2019-08-08 | 2019-10-22 | 思达耐精密机电(常熟)有限公司 | A kind of novel fuel pump for preventing oil sealing from leaking and detecting oil seal failure |
Family Cites Families (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE967934C (en) * | 1953-01-30 | 1957-12-27 | Kloeckner Humboldt Deutz Ag | Device for fastening and sealing the relief valve guide body in fuel injection pumps |
DE1734877U (en) * | 1955-05-04 | 1956-11-29 | Bosch Gmbh Robert | FUEL INJECTION PUMP WITH DISTRIBUTOR. |
US3154020A (en) * | 1962-04-05 | 1964-10-27 | Roth Co Roy E | Sealing means for rotary pump shafts and the like |
US3381615A (en) * | 1966-12-09 | 1968-05-07 | Caterpillar Tractor Co | Driving and timing mechanism for fuel injection pump |
-
1985
- 1985-02-22 JP JP1985024378U patent/JPH034780Y2/ja not_active Expired
-
1986
- 1986-02-06 GB GB08602943A patent/GB2172339B/en not_active Expired
- 1986-02-17 KR KR2019860001783U patent/KR900009524Y1/en not_active IP Right Cessation
- 1986-02-20 DE DE19863605452 patent/DE3605452A1/en active Granted
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH04504748A (en) * | 1989-12-29 | 1992-08-20 | ローベルト ボッシュ ゲゼルシャフト ミット ベシュレンクテル ハフツング | Fuel injection pump for internal combustion engines |
JP2010180790A (en) * | 2009-02-06 | 2010-08-19 | Denso Corp | Fuel supply device |
Also Published As
Publication number | Publication date |
---|---|
KR900009524Y1 (en) | 1990-10-13 |
JPH034780Y2 (en) | 1991-02-07 |
DE3605452C2 (en) | 1990-09-13 |
KR860010826U (en) | 1986-09-08 |
GB2172339A (en) | 1986-09-17 |
DE3605452A1 (en) | 1986-08-28 |
GB2172339B (en) | 1988-06-29 |
GB8602943D0 (en) | 1986-03-12 |
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